21152503 reads; of these:
  21152503 (100.00%) were paired; of these:
    18457473 (87.26%) aligned concordantly 0 times
    2633171 (12.45%) aligned concordantly exactly 1 time
    61859 (0.29%) aligned concordantly >1 times
    ----
    18457473 pairs aligned concordantly 0 times; of these:
      6735 (0.04%) aligned discordantly 1 time
    ----
    18450738 pairs aligned 0 times concordantly or discordantly; of these:
      36901476 mates make up the pairs; of these:
        36432093 (98.73%) aligned 0 times
        424243 (1.15%) aligned exactly 1 time
        45140 (0.12%) aligned >1 times
13.88% overall alignment rate